== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 17:53:19 (1781214799)
old_iused=        447
 - open/close 689 (time 1781214815.13 total 10.00 last 68.89)
total: 1000 open/close in 15.22 seconds: 65.72 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1781214829 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
        439 
waited 1 sec, old Iused 1447, new Iused         439